Diagnose your small engine problem
Start with the symptom you can see. Each diagnostic walks through safe checks, likely causes, realistic costs, and the point where a repair shop makes more sense.

Pressure washer has no pressure
A guided diagnosis for a pressure washer that runs but does not build pressure.
Start diagnosis β
Generator starts but makes no power
A guided diagnosis for a generator that runs but does not deliver usable electrical output.
Start diagnosis β
Lawn mower starts then dies
A guided diagnosis for a mower that fires up and then stalls shortly after.
Start diagnosis β
Snowblower auger will not engage
A guided diagnosis for a snowblower that runs but the auger will not spin or throw snow.
Start diagnosis β
Chainsaw starts but chain won't move
A guided diagnosis for a chainsaw that runs but the chain stays still.
Start diagnosis β
Generator surges or hunts
A guided diagnosis for a generator that runs but repeatedly revs up and down.
Start diagnosis βDifferent no-start problem?
Our general no-start tool covers mowers, riding mowers, snowblowers, generators, chainsaws, and pressure washers.
Open the no-start diagnostic β